英语人>网络例句>cotton bollworm 相关的网络例句
cotton bollworm相关的网络例句

查询词典 cotton bollworm

与 cotton bollworm 相关的网络例句 [注:此内容来源于网络,仅供参考]

The results showed that GK-2 and GK-12 strains possessed high resistance to cotton bollworm in the whole growing season .

1997~1998年在河北省廊坊市和1998年在河南省新乡市分别研究了转CryIA Bt抗虫基因棉花GK-2、GK-5和GK-12对棉铃虫的抗性水平。

However, due to have had drug-resistant cotton bollworm, the role of pesticides unlikely, but serious damage to the ecological environment, and harmed the physical and mental health of farmers.

然而,由于棉铃虫产生了抗药性,农药的作用微乎其微,反而严重破坏了生态环境,损害了棉农的身心健康。

MAINLY ON COTTON BOLLWORM,CABBAGE MOTH,ORIENTAL TOBACCO BUDWORM,CABBAGE WORM AND THE EGGS,WITHOUT ANY POLLUTION.

据对全国2000多万亩棉花防治结果的调查,连续使用3年此类农药的棉田,棉铃虫的危害基本被自行控制。

Based on the weather data of geographical points and the phenological data of CBW, the single sine model that forecast the occurrence date of cotton bollworm is developed. By using year's data of Shihezi area, parameter of CBW emergence of overwintering generation, first generation and second generation in the Xinjiang region is built under the different low temperature. Based on the above research, the concepts, functional development temperature threshold and functional developmental degree-day, are put forward. Using the data of different station in the Shihezi area, the model is validated

基于地理点的气象数据和棉铃虫物候数据,建立了棉铃虫发生期预测的single sine 模型,利用石河子地区多年的数据,建立了不同发育温度条件下的新疆地区越冬代、第一代和第二代棉铃虫羽化的参数库;在此基础上提出功能发育起点和功能发育日度的概念并修订了模型,利用石河子地区植保站的数据,验证了模型的可行性。

The effects of fenvalerate, phoxim and their mixture at about doses of LD〓 separately on the larva with 4 instars of cotton bollworm in development, spermatogenesis, spermateliosis and male mesoblast gonad were studied with micro-application method.

以毛细管点滴法,分别研究了约LD50剂量的氰戊菊酯、辛硫磷及其混剂对棉铃虫4龄初期幼虫的生长发育、精子发生与形成以及雄性中胚层生殖腺的影响。

A two-choice olfactometer was developed to determine the behavioural responses of adult cotton bollworm to plant volatiles.

发展了一种选择性嗅觉仪,用这种嗅觉仪测定了棉铃虫成虫对萎蔫的枫杨叶、新鲜的棉花叶、棉花花蕾、玉米叶及玉米花丝气味的反应。

This paper reports the results of studies on the nuclear polyhedrosis virus-of the cotton bollworm Heliothis armigera.

自1973—1974年以来,在湖北荆州地区微生物站筛选出一批棉铃虫病毒毒株,其毒力均为80%以上,有的高达100%。

In the present study, differential display polymerase chain reaction was used to isolate three antennal -specific mRNA from the moth of cotton bollworm. Sequence analysis indicated that A4-1 clone was homologous to the glutathione S-transferase family of proteins.

利用差异显示PCR的方法分离得到了3条棉铃虫触角专一性的mRNA片段,在GenBank中进行同源搜索表明,克隆A4-1与昆虫谷胱甘肽-S-转移酶基因家族具有很高的同源性。

The inhibitory effects of several alcohols identified from male hairpencil of cotton bollworm on conspecific male behavior responses were studied.

本文研究了棉铃虫雄蛾味刷中几种醇类物质对同种雄蛾行为反应的抑制效应。

An important commercial viral pesticide is marketed under the trade name Elcar for control of the cotton bollworm Heliothis zea.

一种重要商品病毒杀虫剂商品名为Elcar用于抑制棉铃虫。校准农药喷雾器的目的,是为了保证按所需的量予以喷洒。

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推荐网络例句

They weren't aggressive, but I yelled and threw a rock in their direction to get them off the trail and away from me, just in case.

他们没有侵略性,但我大喊,并在他们的方向扔石头让他们过的线索,远离我,以防万一。

In slot 2 in your bag put wrapping paper, quantity does not matter in this case.

在你的书包里槽2把包装纸、数量无关紧要。

Store this product in a sealed, lightproof, dry and cool place.

密封,遮光,置阴凉干燥处。